Chell



(No Model.)

J. P. WINGHELL.

FEEDING GRUSHER FOR GRUSHING AND GRINDING MILLS.-

No. 407 885. PatentedJuly 80, 1889.. 5

ITNESSES v 7 WM I K -Mflttorney.

N. Pains mam- WW, Wa

UNITED STATES PATENT OFFICE.

JAMES F. WINonELL, oF SPRINGFIELD, oI-IIo, ASSIGNOR TO THE Foos MANU- FACTURING COMPANY, oF SAME PLACE.

FEEDING-CRUSHER FOR CRLlSHlNG AND GRINDING MILLS.

SPECIFICATION forming part of Letters Patent No. 407,885, dated July 30, 1889.

Application filed February 25, 1888. Serial No. 265,293. (No model.) I

To all whmit may concern: The letters E and F designate myimproved Be it known that I, JAMES FRANK WIN- feeding-crushers, the same being similarly CHELL, a citizen of the United States, residing constructed and mounted side by side either at Springfield,in the county of Clark and State in the lower portion of the hopper A, as sug- 55 of Ohio, have invented certain new and usegested in Fig. 1, or in some other convenient ful Improvements in Feeding-Crushers for portion of the mill. The shafts of these Crushing and Grinding Mills, of which the crushers are provided with pinions, respectfollowing is a specification, reference being ively, and these pinions mesh with each other, had therein to the accompanying drawings: so that the crushers rotate positively one with 60 This invention relates to improvements in respect to the other. The pinions may be of crushing and grinding mills, and has special equal or unequal diameter. As seen in. Fig. reference to the construction of the feeding- 3, the crushers are of tapering form,with their crushers, and is designed to be used in con- Smallest ends associated with each other. nection with the mechanism shown and de- This presents a gradually-narrowing space 65 I 5 scribed in applications filed by me August between the feeding-crushers, measuring to- 11, 1887, Serial No. 246,685, and September ward their other ends. The manner of taper- 17 1887, No. 249,981, both for improvements in ing the crushers in connection with the supercrushing and grinding mills, and also as a imposed cut-off is fully explained in my apspecial form of feeding-crushers with the mill plication last above alluded to. The crush- '70 2o patented to me March 15,1887, No. 359,588. ers may, however, be of equal diameter at The object in view and to be accomplished either end, as suggested in Fig. 4. At several by the present form of feeding-crusher is that points around the periphery-say four-the of reducing and feeding corn-cobs with the" cylindrical body of the crusher is provided grain and shucks on them and preventing the with longitudinal ribs or beads G, whose 75 shucks from winding round the crushers. cross-section is approximately V-shaped,with With this object in View, the invention conthe advanced side slightly concave and the sists in certain peculiarities and characterfollowing side slightly convex, as seen at H istics, hereinafter more fully described, an and I in Fig. 2. While these last characterpointed out in the claims. istics of the ribs are not indispensable, they 80. In the accompanying drawings, forming a are still preferred, as they enable the ribs to part of this specification, and on which like more readily grasp, draw upon, and partially reference-letters indicatecorrespondingparts, mangle the shuck. The longitudinal con- Figure 1 represents a vertical sectional view tinuity of these ribs is broken by the presence of a hopper, its cut-off, and my improved of the feeding and crushing lugs or protuber- 85 feeding-crushers mounted therein; Fig.2, a ances J. These protuberances may be of varidetail enlarged perspective view of one of ous forms, as suggested in Fig. 2 and in the the crushers detached; Fig. 3, a plan view drawings of the patent above alluded to. of a pair of crushers arranged as in Fig. 1; Their arrangement with respect to the ribs Fig. 4, a similar view showing a modification or beads G and with respect to each other is 90 40 in the shape of the crushers; and Fig. 5, an preferably that shown in Fig. 2, in which the end view of the crusher, as represented in protuberances at diametrical points and ex- Fig. 2. tending beyond diametrical ribs are in the The letter A designates a metallic hopper same vertical plane, while the intermediate of any approved construction, but preferably protuberances, circumferentially speaking, 95 of that shown, and provided with a transverse are between and out of the same vertical cut-01f B and a supplemental cut-oft O, as more plane with respect to the other protuberances, fully set forth and shown in my application but in the Same plane with respect to themfiled September 17, 1887, and above alluded selves. I have found by actual usage in the to. The plate D is also used to lock the cuttrade that theherein-described feeding-crush- 100 off in a given position. These devices, howers practically feed and partially reduce the ever, form no part of the present invention. cobs and the shucks on them and avoid the crushing the cobs without the shuck and with or without the grain, but is rather an advantage. It should be observed that the body of the crusher, the ribs, and the teeth are preferably integral and of cast-iron. The shafts K are usually constructed of wroughtiron and fitted to a central longitudinal hole in the crushers.

It will be seen on reference to Fig. 5 that the protuberances may be located between the longitudinal ribs instead of projecting from the ribs. In either case the protuberances extend radially beyond the ribs.

The reason the shucks are prevented from winding and accumulating round the crushers is, that the constantly incoming ears belng severally engaged by the somewhat sharpened edges of the ribs cause the latter to out through and mangle such stray pieces of shuck as may have started to wind round the crushers.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a crushing and grinding mill, a feeding-crfisher consisting of a cylinder-like body having integral longitudinal peripheral ribs terminating in comparatively sharp edges, and integral radial protuberances, the latter projecting beyond the former.

2. In acrushing and grinding mill, a feeding-crusher consisting of a cylindrical body, longitudinal peripheral ribs approximately V-shaped in cross-section, and radial protuberances extending from the ribs.

3. In a crushing and grinding mill, a feeding-crusher constructed of a cast-iron cylindrical body and a shaft upon which it is secured, and having longitudinal peripheral ribs terminating in a reduced edge, and radial protuberances extending from the ribs, the said ribs and protuberances being integral with the body. a

4. In a crushing and grinding mill, a feeding-crusher consisting of a body, longitudinal peripheral ribs terminating in reduced edges, and radial protuberances extending from, the ribs, and so arranged that the protuberances at diametrical points stand in the same vertical plane with respect to each other, but out of the same plane with the next set of protuberances.

In testimony whereof I affix mysignature in presence of two WltDGSSGS;

JAMES F. WINOHELL,

Witnesses:

CHASE STEWART, G. W. STEPHAN. 

